The 21 students whose mug shots and biographical details were shown on television included the two most prominent leaders of the democracy movement, Wang Dan and Wuer Kaixi. Others shown on television were Chai Ling, the leader of the students occupying Tiananmen Square, and her husband, Feng Congde, and a 28-year-old graduate student, Liu Gang, who is said to have assisted the students from behind the scenes.

The television showed lengthy film clips of Mr. Wuer, apparently so that viewers could identify him and turn him in. The clips also showed the extent of Government surveillance of the student leaders; it seemed that three different video cameras…